我现在这边的情况是这样的，写了小程序蓝牙的demo，用的ios测试，但是wx.onBLECharacteristicValueChange这个无法回调，我用的特征值是支持write+notify的，notify是成功开启了，蓝牙设备那边也是观察到写入特征值成功，但是不知道为什么就是不回调这个特征值变化事件，请问有人知道怎么解决吗？
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- wx.onBLECharacteristicValueChange: 小程序/开发/API/设备/蓝牙-低功耗中心设备/wx.onBLECharacteristicValueChange
- wx.onBLECharacteristicValueChange#示例代码: 小程序/开发/API/设备/蓝牙-低功耗中心设备/wx.onBLECharacteristicValueChange
- wx.onBLECharacteristicValueChange#功能描述: 小程序/开发/API/设备/蓝牙-低功耗中心设备/wx.onBLECharacteristicValueChange
- wx.onBLECharacteristicValueChange#参数: 小程序/开发/API/设备/蓝牙-低功耗中心设备/wx.onBLECharacteristicValueChange
- 回调回包示例: 小商店/开发/拓展能力/交易组件/视频号小程序自定义交易组件及开放接口/事件回调/用户领券回调
调这个，wx.notifyBLECharacteristicValueChange，可能会fail 10008,但其实还是能收到数据
openBluetoothAdapter: function () { wx.openBluetoothAdapter({ success: res => { console.log(res); } }) }, connect: function() { wx.startBluetoothDevicesDiscovery({ services: ['0000FEE1-0000-1000-8000-00805F9B34FB'], allowDuplicatesKey: true, success: res => { console.log(JSON.stringify(res)); wx.getBluetoothDevices({ success: res => { console.log('getBluetoothDevices:' + JSON.stringify(res)); if(res.devices.length > 0) { this.setData({ deviceId: res.devices[0].deviceId }) wx.createBLEConnection({ deviceId: res.devices[0].deviceId, complete: res => { console.log('createBLEConnection:' + JSON.stringify(res)); } }) } } }) } }); }, notify: function() { wx.getBLEDeviceServices({ deviceId: '48ADF6C5-261F-D9B0-BD6C-91FCF8B57737', complete: function (res) { console.log('getBLEDeviceServices:' + JSON.stringify(res)); wx.getBLEDeviceCharacteristics({ deviceId: '48ADF6C5-261F-D9B0-BD6C-91FCF8B57737', serviceId: '0000FEE1-0000-1000-8000-00805F9B34FB', complete: function (res) { console.log('getBLEDeviceCharacteristics:' + JSON.stringify(res)); wx.notifyBLECharacteristicValueChange({ deviceId: '48ADF6C5-261F-D9B0-BD6C-91FCF8B57737', serviceId: '0000FEE1-0000-1000-8000-00805F9B34FB', characteristicId: '00001003-0000-1000-8000-00805F9B34FB', state: true, complete: res => { console.log(JSON.stringify(res)); } }) wx.onBLECharacteristicValueChange((res) => { console.log('onBLECharacteristicValueChange:' + JSON.stringify(res)); }); } }) } }) }, write: function(){ let buffer = new ArrayBuffer(1) let dataView = new DataView(buffer) dataView.setUint8(0, 0) wx.writeBLECharacteristicValue({ deviceId: '48ADF6C5-261F-D9B0-BD6C-91FCF8B57737', serviceId: '0000FEE1-0000-1000-8000-00805F9B34FB', characteristicId: '00001003-0000-1000-8000-00805F9B34FB', value: buffer, complete: function (res) { console.log('writeBLECharacteristicValue:' + JSON.stringify(res)); // wx.readBLECharacteristicValue({ // deviceId: '48ADF6C5-261F-D9B0-BD6C-91FCF8B57737', // serviceId: '0000FEE1-0000-1000-8000-00805F9B34FB', // characteristicId: '00001003-0000-1000-8000-00805F9B34FB', // success: function(res) { // console.log('readBLECharacteristicValue:' + JSON.stringify(res)); // }, // }) }, }) },onBLECharacteristicValueChange 没有回调
手机 iPhone 11 Pro， iOS 13.3
微信 7.0.12
你好，麻烦提供出现问题的具体机型、微信版本号、系统版本号，以及能复现问题的代码片段（https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html）